Question : The weights (in kg) of five girls in a class are 49, 42, 61, 55, and 58. What is the average weight (in kg) of these five girls?
Option 1: 53
Option 2: 54
Option 3: 51
Option 4: 52
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Correct Answer: 53
Solution :
The weights (in kg) of five girls are 49, 42, 61, 55 and 58.
Average weight $ = \frac{\text{Total weight of all the girls}}{\text{Number of girls}} =\frac{49 + 42 + 61 + 55 + 58}{5}=\frac{265}{5} = 53$ kg
Hence, the correct answer is 53 kg.
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